Google Sites led the U.S. core search market in June with 65.0 percent of the searches conducted, followed by Yahoo! Sites (19.6 percent), and Microsoft Sites (8.4 percent). Ask Network captured 3.9 percent of the search market, followed by AOL LLC with 3.1 percent.

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.

June 2009 U.S. Expanded Search Rankings

In the June 2009 analysis of the top properties where search activity is observed, Google Sites led the search market with 13.1 billion searches, followed by Yahoo! Sites with 2.9 billion. Microsoft Sites ranked third with 1.2 billion searches, up 3 percent from May, followed by AOL LLC with 736 million. Facebook.com experienced the highest growth of the top ten expanded search properties with a 9-percent increase.

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